US PATENT SUBCLASS 122 / 283
.~.~.~.~ Fluid fuel


Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

235.11  DF  WATER TUBE {52}
275  DF  .~ Loop {3}
*  DD  .~.~ Over firebox {5}
282  DF  .~.~.~ Vertical {1}
283.~.~.~.~ Fluid fuel


DEFINITION

Classification: 122/283

(under subclass 282) Devices heated by fluid fuel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

319, for similar boilers having spur tubes.

356, for similar devices having zigzag tubes.